#include "irrlichttypes_bloated.h"
#include "util/string.h"
-#include "jthread/jmutex.h"
+#include "threading/mutex.h"
#include <string>
-#include <map>
+#include "util/cpp11_container.h"
#include <list>
#include <set>
-enum ValueType
-{
+class Settings;
+struct NoiseParams;
+
+// Global objects
+extern Settings *g_settings;
+extern std::string g_settings_path;
+
+// Type for a settings changed callback function
+typedef void (*SettingsChangedCallback)(const std::string &name, void *data);
+
+typedef std::vector<
+ std::pair<
+ SettingsChangedCallback,
+ void *
+ >
+> SettingsCallbackList;
+
+typedef UNORDERED_MAP<std::string, SettingsCallbackList> SettingsCallbackMap;
+
+enum ValueType {
VALUETYPE_STRING,
VALUETYPE_FLAG // Doesn't take any arguments
};
-struct ValueSpec
-{
+enum SettingsParseEvent {
+ SPE_NONE,
+ SPE_INVALID,
+ SPE_COMMENT,
+ SPE_KVPAIR,
+ SPE_END,
+ SPE_GROUP,
+ SPE_MULTILINE,
+};
+
+struct ValueSpec {
ValueSpec(ValueType a_type, const char *a_help=NULL)
{
type = a_type;
help = a_help;
}
+
ValueType type;
const char *help;
};
+struct SettingsEntry {
+ SettingsEntry()
+ {
+ group = NULL;
+ is_group = false;
+ }
-class Settings
-{
+ SettingsEntry(const std::string &value_)
+ {
+ value = value_;
+ group = NULL;
+ is_group = false;
+ }
+
+ SettingsEntry(Settings *group_)
+ {
+ group = group_;
+ is_group = true;
+ }
+
+ std::string value;
+ Settings *group;
+ bool is_group;
+};
+
+typedef UNORDERED_MAP<std::string, SettingsEntry> SettingEntries;
+
+class Settings {
public:
Settings() {}
+ ~Settings();
Settings & operator += (const Settings &other);
Settings & operator = (const Settings &other);
-
/***********************
* Reading and writing *
***********************/
bool parseCommandLine(int argc, char *argv[],
std::map<std::string, ValueSpec> &allowed_options);
bool parseConfigLines(std::istream &is, const std::string &end = "");
- void writeLines(std::ostream &os) const;
+ void writeLines(std::ostream &os, u32 tab_depth=0) const;
+
+ SettingsParseEvent parseConfigObject(const std::string &line,
+ const std::string &end, std::string &name, std::string &value);
+ bool updateConfigObject(std::istream &is, std::ostream &os,
+ const std::string &end, u32 tab_depth=0);
+ static bool checkNameValid(const std::string &name);
+ static bool checkValueValid(const std::string &value);
+ static std::string sanitizeName(const std::string &name);
+ static std::string sanitizeValue(const std::string &value);
+ static std::string getMultiline(std::istream &is, size_t *num_lines=NULL);
+ static void printEntry(std::ostream &os, const std::string &name,
+ const SettingsEntry &entry, u32 tab_depth=0);
/***********
* Getters *
***********/
+ const SettingsEntry &getEntry(const std::string &name) const;
+ Settings *getGroup(const std::string &name) const;
std::string get(const std::string &name) const;
bool getBool(const std::string &name) const;
u16 getU16(const std::string &name) const;
// the behavior is undefined.
bool getStruct(const std::string &name, const std::string &format,
void *out, size_t olen) const;
+ bool getNoiseParams(const std::string &name, NoiseParams &np) const;
+ bool getNoiseParamsFromValue(const std::string &name, NoiseParams &np) const;
+ bool getNoiseParamsFromGroup(const std::string &name, NoiseParams &np) const;
// return all keys used
std::vector<std::string> getNames() const;
* Getters that don't throw exceptions *
***************************************/
+ bool getEntryNoEx(const std::string &name, SettingsEntry &val) const;
+ bool getGroupNoEx(const std::string &name, Settings *&val) const;
bool getNoEx(const std::string &name, std::string &val) const;
bool getFlag(const std::string &name) const;
bool getU16NoEx(const std::string &name, u16 &val) const;
* Setters *
***********/
- void set(const std::string &name, std::string value);
- void set(const std::string &name, const char *value);
- void setDefault(const std::string &name, std::string value);
- void setBool(const std::string &name, bool value);
- void setS16(const std::string &name, s16 value);
- void setS32(const std::string &name, s32 value);
- void setU64(const std::string &name, u64 value);
- void setFloat(const std::string &name, float value);
- void setV2F(const std::string &name, v2f value);
- void setV3F(const std::string &name, v3f value);
- void setFlagStr(const std::string &name, u32 flags,
+ // N.B. Groups not allocated with new must be set to NULL in the settings
+ // tree before object destruction.
+ bool setEntry(const std::string &name, const void *entry,
+ bool set_group, bool set_default);
+ bool set(const std::string &name, const std::string &value);
+ bool setDefault(const std::string &name, const std::string &value);
+ bool setGroup(const std::string &name, Settings *group);
+ bool setGroupDefault(const std::string &name, Settings *group);
+ bool setBool(const std::string &name, bool value);
+ bool setS16(const std::string &name, s16 value);
+ bool setU16(const std::string &name, u16 value);
+ bool setS32(const std::string &name, s32 value);
+ bool setU64(const std::string &name, u64 value);
+ bool setFloat(const std::string &name, float value);
+ bool setV2F(const std::string &name, v2f value);
+ bool setV3F(const std::string &name, v3f value);
+ bool setFlagStr(const std::string &name, u32 flags,
const FlagDesc *flagdesc, u32 flagmask);
+ bool setNoiseParams(const std::string &name, const NoiseParams &np,
+ bool set_default=false);
// N.B. if setStruct() is used to write a non-POD aggregate type,
// the behavior is undefined.
bool setStruct(const std::string &name, const std::string &format, void *value);
// remove a setting
bool remove(const std::string &name);
void clear();
+ void clearDefaults();
void updateValue(const Settings &other, const std::string &name);
void update(const Settings &other);
+ void registerChangedCallback(const std::string &name,
+ SettingsChangedCallback cbf, void *userdata = NULL);
+ void deregisterChangedCallback(const std::string &name,
+ SettingsChangedCallback cbf, void *userdata = NULL);
private:
- /***********************
- * Reading and writing *
- ***********************/
+ void updateNoLock(const Settings &other);
+ void clearNoLock();
+ void clearDefaultsNoLock();
- bool parseConfigObject(std::istream &is,
- std::string &name, std::string &value);
- bool parseConfigObject(std::istream &is,
- std::string &name, std::string &value,
- const std::string &end, bool &end_found);
- /*
- * Reads a configuration object from stream (usually a single line)
- * and adds it to dst.
- * Preserves comments and empty lines.
- * Setting names that were added to dst are also added to updated.
- */
- void getUpdatedConfigObject(std::istream &is,
- std::list<std::string> &dst,
- std::set<std::string> &updated,
- bool &changed);
+ void doCallbacks(const std::string &name) const;
+ SettingEntries m_settings;
+ SettingEntries m_defaults;
- void updateNoLock(const Settings &other);
- void clearNoLock();
+ SettingsCallbackMap m_callbacks;
+ mutable Mutex m_callback_mutex;
- std::map<std::string, std::string> m_settings;
- std::map<std::string, std::string> m_defaults;
// All methods that access m_settings/m_defaults directly should lock this.
- mutable JMutex m_mutex;
+ mutable Mutex m_mutex;
+
};
#endif
projects / dragonfireclient.git / blobdiff